Uploaded March 2021 | Updated September 2026, 1 hour ago
Today you will learn the 3-4-5 triangle method for an effective way to find square. The 3-4-5 triangle method works great for small projects, and it works great for large projects such as flooring, home construction, and landscaping/gardening.
Finding square with diagonals video: youtu.be/Zc60O6GgWD4
📚 Learn to Use Your Router with Confidence
If you're new to woodworking or carpentry and want clear, beginner-friendly router training, check out my full Router Basics Course.
→ bit.ly/3DcIeE3
🌟 Join Our Free Woodworking & Carpentry Community
Want beginner tips, tool advice, and project support?
I run a free community where you can ask questions, get answers, and learn alongside others.
→ bit.ly/41ouySk
📋 Affiliate Links — Tools I Personally Use and Recommend
(If you use these links, I earn a small commission — at no extra cost to you. Thank you for supporting the channel!)
Adhesives
🔹 Starbond CA Glue (10% OFF) bit.ly/3h0wWUz
Get 10% off with code THA10 at checkout
Measuring & Marking Tools
🔹 Best Straight Edge Guide: amzn.to/3omQdX6
🔹 Combination Square: amzn.to/2X79Cgb
🔹 Speed Square: amzn.to/31fv02z
🔹 SOLA Carpenter’s Pencil: amzn.to/3GvTP4H
🔹 STANLEY FATMAX Tape Measure: amzn.to/4iBPqKM
Hand Tools
🔹 Estwing Hammer: amzn.to/2VVnHMr
🔹 Wood Chisel Set: amzn.to/2BjHH1H
🔹 Pry Bar Scraper (Improved Model): amzn.to/2oGhKXu
🔹 15" Utility Pry Bar: amzn.to/437utTq
🔹 Klein Tools 11-in-1 Screwdriver: amzn.to/3YSB8yp
Power Tools
🔹 Makita 7-1/4" Circular Saw: amzn.to/3GdBML9
🔹 Makita 6 1/2 Cordless Circular Saw: amzn.to/3REAnVW
🔹 Drill Combo Set: amzn.to/3lzu32c
🔹 Jigsaw: amzn.to/2AGpGua
🔹 5" Random Orbit Sander: amzn.to/3DASm6d
🔹 Best Beginner Compact Router: amzn.to/2nEjDUe
🔹 Advanced Plunge Router: amzn.to/3rvxXNo
Workspace Essentials
🔹 DEWALT Stanley Sawhorse (Set of 2): amzn.to/42S4CO6
🔹 IRWIN QUICK-GRIP Clamps: amzn.to/42GXNic
Safety Gear
🔹 3M 6503QL Respirator: amzn.to/3vVSGcA
🔹 P100 Filters (I use with the mask above): amzn.to/4jSmhvU
0:00 Intro
0:30 What is the 3-4-5 method?
1:57 Method #1 - Finding square
4:03 Method #2 - Laying out 90 degree lines
5:28 Outro
----------------------------------------------------
Follow/Contact Me:
INSTAGRAM: instagram.com/traininghandsacademy
FACEBOOK : facebook.com/traininghandsacademy
EMAIL: josh@traininghandsacademy.com
---------------------------------------------------
My name is Josh Fedorka, and I’m the founder of Training Hands Academy™. I have been a carpenter and woodworker for over 25 years. I have also held certifications in home energy auditing and have built several LEED certified homes in New England.
God has gifted me with many “hands on” skills and it is my calling and purpose to share those skills by teaching others. Whether it is to seek a career in carpentry, become a general contractor or improve one’s DIY skills and knowledge, the motivation behind THA is to help others successfully learn how to work with their hands.
#diy #345trianglemethod #constructionlayout
Today you will learn the 3-4-5 triangle method for an effective way to find square. The 3-4-5 triangle method works great for small projects, and it works great for large projects such as flooring, home construction, and landscaping/gardening.
Finding square with diagonals video: youtu.be/Zc60O6GgWD4
📚 Learn to Use Your Router with Confidence
If you're new to woodworking or carpentry and want clear, beginner-friendly router training, check out my full Router Basics Course.
→ bit.ly/3DcIeE3
🌟 Join Our Free Woodworking & Carpentry Community
Want beginner tips, tool advice, and project support?
I run a free community where you can ask questions, get answers, and learn alongside others.
→ bit.ly/41ouySk
📋 Affiliate Links — Tools I Personally Use and Recommend
(If you use these links, I earn a small commission — at no extra cost to you. Thank you for supporting the channel!)
Adhesives
🔹 Starbond CA Glue (10% OFF) bit.ly/3h0wWUz
Get 10% off with code THA10 at checkout
Measuring & Marking Tools
🔹 Best Straight Edge Guide: amzn.to/3omQdX6
🔹 Combination Square: amzn.to/2X79Cgb
🔹 Speed Square: amzn.to/31fv02z
🔹 SOLA Carpenter’s Pencil: amzn.to/3GvTP4H
🔹 STANLEY FATMAX Tape Measure: amzn.to/4iBPqKM
Hand Tools
🔹 Estwing Hammer: amzn.to/2VVnHMr
🔹 Wood Chisel Set: amzn.to/2BjHH1H
🔹 Pry Bar Scraper (Improved Model): amzn.to/2oGhKXu
🔹 15" Utility Pry Bar: amzn.to/437utTq
🔹 Klein Tools 11-in-1 Screwdriver: amzn.to/3YSB8yp
Power Tools
🔹 Makita 7-1/4" Circular Saw: amzn.to/3GdBML9
🔹 Makita 6 1/2 Cordless Circular Saw: amzn.to/3REAnVW
🔹 Drill Combo Set: amzn.to/3lzu32c
🔹 Jigsaw: amzn.to/2AGpGua
🔹 5" Random Orbit Sander: amzn.to/3DASm6d
🔹 Best Beginner Compact Router: amzn.to/2nEjDUe
🔹 Advanced Plunge Router: amzn.to/3rvxXNo
Workspace Essentials
🔹 DEWALT Stanley Sawhorse (Set of 2): amzn.to/42S4CO6
🔹 IRWIN QUICK-GRIP Clamps: amzn.to/42GXNic
Safety Gear
🔹 3M 6503QL Respirator: amzn.to/3vVSGcA
🔹 P100 Filters (I use with the mask above): amzn.to/4jSmhvU
0:00 Intro
0:30 What is the 3-4-5 method?
1:57 Method #1 - Finding square
4:03 Method #2 - Laying out 90 degree lines
5:28 Outro
----------------------------------------------------
Follow/Contact Me:
INSTAGRAM: instagram.com/traininghandsacademy
FACEBOOK : facebook.com/traininghandsacademy
EMAIL: josh@traininghandsacademy.com
---------------------------------------------------
My name is Josh Fedorka, and I’m the founder of Training Hands Academy™. I have been a carpenter and woodworker for over 25 years. I have also held certifications in home energy auditing and have built several LEED certified homes in New England.
God has gifted me with many “hands on” skills and it is my calling and purpose to share those skills by teaching others. Whether it is to seek a career in carpentry, become a general contractor or improve one’s DIY skills and knowledge, the motivation behind THA is to help others successfully learn how to work with their hands.
#diy #345trianglemethod #constructionlayout
